Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB8OC callsign genealogy
Currently held by Shaffer, Karl G
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AB8OC's current licensee, walking backwards.
- Shaffer, Karl GMIgranted 1998-03-02cancelled 2002-05-14
Successor callsigns
Callsigns held now by people who previously held AB8OC.
No current licensee on record previously held this callsign.